/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/BaseTools/SingleSelectionMeshEditingTool.h
Gives the target requirements of the associated tool. Usually, it is the tool builder will use this function in CanBuildTool and BuildTool to find and create any necessary targets.
virtual const [FToolTargetTypeRequirements](API\Runtime\InteractiveToolsFramework\ToolTargets\FToolTargetTypeRequirements) & GetTargetRequirements() const